Wallace, B.L., and Laney, R.L., 1976, Maps showing ground-water conditions in the lower Big Chino Valley and Williamson Valley areas, Yavapai and Coconino Counties, Arizona, Arizona - 1975-76: U.S. Geological Survey Water-Resources Investigations 76-0078 Open-File Report, 19 p., 2 sheets, scale 1:125,000.
